problem of qsocketnotifer in qtcpserver

[JadeN001]

i am designing qtcpserver for sending message from one client to another client for that:
1.push the all socket(created in myserver class i.e. main thread)into qvector.{in thread 1}
2.read the data from thread 2.
3.want to write data also from thread 2.
the problem is that because i am creating socket in thread 1 and writing by
clients[i].write("hello"); from thread 2 i am getting notification of

qsocketnotifier socket notifiers cannot be enabled or disabled from another thread 

i know the reason is that i am writing it from thread 2 instead of thread 1.but i want to read and write the data from same thread.
so Is there any way to define socket in thread2 so i don't get this notification.but i also dont want to create thread eveytime when socket created

[JonB]

@JadeN001
You do indeed want to do all all socket create/read/writes from same thread.

So either:

• do the socket creation in same thread as read/write (probably simplest); or
• pass messages (signal/slot) between threads; or
• maybe QObject::moveToThread after creating socket to push to desired read/write thread (I see you have asked about QObject::moveToThread many times)

?

[JadeN001]

@JonB after creating socket push to desire thread in movetothread , this I have done already.
But I have created socket (more than one) in main thread and I want to use a separate thread for reading and writing .

[JonB]

@JadeN001
I believe you have the 3 alternatives I suggested, as per the error message you report.

Since you have kept the creation thread different from the read/write thread, you have problems.

If you are already using moveToThread() at some point, I cannot see why you can't move the socket to the correct reading/writing thread.

[Christian Ehrlicher]

There were similar / same questions the last days. Please use the search function.
e.g. https://forum.qt.io/topic/90667/what-is-the-significance-of-qintptr-socket-in-qsocketnotifier-class/15

[JadeN001]

@JonB I can move the socket and i can also use for reading and writing.but the socket is created in main thread and so it is registered by qsocketnotifer in main thread and i am using that socket in different thread(read/write thread).
thats why i am getting notification

[SGaist]

Hi,

Why are you trying to do the read and write operations in different threads ?

[JonB]

@JadeN001
You keep saying that your creation thread is separate from your read/write threads. Since that is what is causing the problem, as @SGaist is asking/suggesting why don't you redesign code so that they are not in different threads? Anyway, answer @SGaist 's question.